GreenWallSt
QLD · postcode 4221

Postcode 4221 4221

Suburb Green Index
65.7

Postcode 4221 sits on the QLD sustainability index. Roughly 39% of suitable rooftops here already have solar — 3,176 systems and counting. 171 batteries and 216 heat pumps round out the postcode's clean-energy portfolio. That puts 4221 at #411 of 432 in QLD and #1106 of 2630 nationally, with a Suburb Green Index of 65.7 — below the state median. Every household that takes the free green audit lifts the suburb's standing — renters and owners alike earn a Green Score, a personalised switch plan, and credits for every green action.

#411
of 432 in QLD
#1106
of 2630 nationally
39%
solar penetration
3,176
solar systems
171
home batteries
216
heat pumps
169
solar hot water
11,030
dwellings (Census)

How Postcode 4221 compares

Solar uptake here is 39% of suitable rooftops, behind the QLD median of 47%. Overall, 4221 ranks in the top 95% of QLD postcodes on the Suburb Green Index.

Live in Postcode 4221?

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Installation figures derived from Clean Energy Regulator small-scale installation postcode data (as of estimated (state averages)); dwelling counts from ABS Census. Estimates are indicative.